Perhaps you should try some spelling variations:
communication cross » communication costs
open communication » human communication, 3 communication, 4 communication
technologies 2 » technologies _, technologies 4
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing em » developing e, developing eq, developing amp
contents 2 » contents 1, contents _, contents i
cross 2.2 » loss 2.2
em africa » 1 africa

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents 2 open communication cross 2.2 developing em africa.*.